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[Keyword]
interface : Specifies the interface to show
[Parameter]
instance-id : <1-15>
ID of generated MST interface
ifname : Name of LAN/SFP+ port or logical interface
Interface to show
[Input mode]
unprivileged EXEC mode, priviledged EXEC mode, interface mode
[Description]
Shows information for the specified MST instance.
If "interface" is omitted, information is shown for all interfaces that are assigned the specified MST instance.
[Note]
A LAN/SFP+ port that is associated with a logical interface cannot be specified as ifname.
[Example]
Show information for MST instance #1.
SWP2>show spanning-tree mst instance 1
% Default: MSTI Root Path Cost 0 - MSTI Root Port 0 - MSTI Bridge Priority 32768
% Default: MSTI Root Id 8001ac44f2300110
% Default: MSTI Bridge Id 8001ac44f2300110
% port1.8: Port Number 912 - Ifindex 5008 - Port Id 0x8390 - Role Designated -
State Forwarding
% port1.8: Designated Internal Path Cost 0 - Designated Port Id 0x8390
% port1.8: Configured Internal Path Cost 20000
% port1.8: Configured CST External Path cost 20000
% port1.8: CST Priority 128 - MSTI Priority 128
% port1.8: Designated Root 8001ac44f2300110
% port1.8: Designated Bridge 8001ac44f2300110
% port1.8: Message Age 0
% port1.8: Hello Time 2 - Forward Delay 15
% port1.8: Forward Timer 0 - Msg Age Timer 0 - Hello Timer 0
%
6.4 Loop detection
6.4.1 Set loop detection function (system)
[Syntax]
loop-detect switch
no loop-detect
[Parameter]
switch : Set system-wide loop detection function
Setting value Description
enable Enables system-wide loop detection function
disable Disables system-wide loop detection function
[Initial value]
loop-detect disable
[Input mode]
global configuration mode
[Description]
Enables or disables the system-wide loop detection function.
If this command is executed with the "no" syntax, the setting returns to the default.
190 | Command Reference | Layer 2 functions